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No. Full code name Drawing Instructions
1
Overvoltage
protection
This code appears when voltage exceeds 270V. If it drops below 260V,
normal operating status is restored.
2
Undervoltage
protection
This code appears when voltage drops below 100V. If voltage exceeds 110V,
normal operating status is restored.
3
Thermal protection
This code appears when the radiator temperature goes up to 80°C.
If the temperature drops below 60 °C, normal operating status is restored.
4
Sensor error
If the pressure sensor disconnects or is damaged, this message appears.
The problem disappears as soon as it is solved.
5
Overpressure
protection
When the piping system pressure is equal to 99% of the pressure sensor, this message appears.
If the pressure drops below 96%, normal operating status is restored.
6
Open phases
protection
When one of the phases in a three-phase installation stops working, this message appears.
The problem disappears as soon as it is solved.
7
Overload protection This message appears in case of overload. The problem disappears as soon as it is solved.
8
Overcircuit or short
circuit protection
This message appears when a motor suffers a short circuit or an over circuit.
The problem disappears as soon as it is solved.
4. Instructions for installation and use
4.3.4 codes and instructions
Pressione Impostata
Pressione Impostata
Pressione Impostata
Pressione Impostata
Pressione Impostata
Pressione Impostata
Pressione Impostata
Pressione Impostata
Pressione Corrente
Pressione Corrente
Pressione Corrente
Pressione Corrente
Pressione Corrente
Pressione Corrente
Pressione Corrente
Pressione Corrente
GB